4512

PRELIMINARYNSocothimcaene:gpTeah.riasmisetnrioct laimfiintsalasrepescuibfijceacttioton. MITSUBISHI MICROCOMPUTERS 4512 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER DESCRIPTION The 4512 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series using a simple, high-speed instruction set. The computer is equipped with serial I/O, four 8-bit timers (each timer has a reload register), and 10-bit A-D converter. The various microcomputers in the 4512 Group include variations of the built-in memory size as shown in the table below. FEATURES qMinimum instruction execution time ................................ 0.75 µs (at 4.0 MHz oscillation frequency, in high-speed mode, VDD = 4.0 V to 5.5 V) qSupply voltage ..... 4.0 V to 5.5 V (at 4.2 MHz oscillation frequency) q Timers Timer 1 ...................................... 8-bit timer with a reload register Timer 2 ...................................... 8-bit timer with a reload register Timer 3 ....